Printable primary math worksheet for math grades 1 to 6 based on ... - Free Printable

Let’s solve each problem step by step. We’ll use the conversions given:

- 1 gallon = 3.79 liters
- 1 quart = 0.95 liters
- 1 pint = 0.47 liters

We’ll round all final answers to the nearest hundredth (two decimal places).

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Problem 1:
Every day I drink 0.75 gallons of milk. How many liters of milk do I drink in 4 weeks?

Step 1: Find how many days are in 4 weeks.
4 weeks × 7 days/week = 28 days

Step 2: Find total gallons drunk in 28 days.
0.75 gallons/day × 28 days = 21 gallons

Step 3: Convert gallons to liters.
21 gallons × 3.79 liters/gallon = 79.59 liters

✔ Final Answer for #1: 79.59 liters

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Problem 2:
The total capacity of 4 similar jugs is 3.6 gallons. What is the capacity of 1 jug in milliliters?

Step 1: Find capacity of 1 jug in gallons.
3.6 gallons ÷ 4 = 0.9 gallons per jug

Step 2: Convert gallons to liters.
0.9 gallons × 3.79 liters/gallon = 3.411 liters

Step 3: Convert liters to milliliters (1 liter = 1000 mL).
3.411 liters × 1000 = 3411 mL

✔ Final Answer for #2: 3411.00 mL (rounded to nearest hundredth — it’s already exact)

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Problem 3:
The volume of 1 can of cola is 0.5 quarts. What is the volume of 64 cans in liters?

Step 1: Total quarts for 64 cans.
0.5 quarts/can × 64 cans = 32 quarts

Step 2: Convert quarts to liters.
32 quarts × 0.95 liters/quart = 30.40 liters

✔ Final Answer for #3: 30.40 liters

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Problem 4:
A container has a capacity of 100 gallons. Already filled with 10 gallons, how many liters of water is needed to fill it up completely?

Step 1: Find how many more gallons are needed.
100 - 10 = 90 gallons

Step 2: Convert gallons to liters.
90 gallons × 3.79 liters/gallon = 341.10 liters

✔ Final Answer for #4: 341.10 liters

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Problem 5:
How many milliliters of water do you need to fill up a 1.5 quart bottle?

Step 1: Convert quarts to liters.
1.5 quarts × 0.95 liters/quart = 1.425 liters

Step 2: Convert liters to milliliters.
1.425 liters × 1000 = 1425 mL

✔ Final Answer for #5: 1425.00 mL

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Problem 6:
What can hold more water: a 12 gallon jerry can or a 40,000 milliliters fish bowl?

Step 1: Convert 12 gallons to milliliters.

First, convert gallons to liters:
12 gallons × 3.79 liters/gallon = 45.48 liters

Then convert liters to milliliters:
45.48 liters × 1000 = 45,480 mL

Step 2: Compare to fish bowl (40,000 mL)

45,480 mL > 40,000 mL → So the jerry can holds more.

✔ Final Answer for #6: The 12 gallon jerry can holds more water.

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Final Answer:
1. 79.59 liters
2. 3411.00 mL
3. 30.40 liters
4. 341.10 liters
5. 1425.00 mL
6. The 12 gallon jerry can holds more water.